[1] Univ Hosp Bonn, Bonn, Germany
[2] Hop St Louis, Paris, France
[3] Kings Coll Hosp NHS Fdn Trust, London, England
[4] Guys & St Thomas NHS Fdn Trust, London, England
[5] Inst Dominicano Estudios Virol IDEV, Santo Domingo, Dominican Rep
[6] Harbor UCLA Med Ctr, Lundquist Inst, Torrance, CA 90509 USA
[7] Ruane Clin Res Grp Inc, Los Angeles, CA USA
[8] Crofoot Res Ctr, Houston, TX USA
[9] Midland Florida Clin Res Ctr, Deland, FL USA
[10] Howard Brown Hlth Ctr, Chicago, IL USA
[11] Gilead Sci Inc, Foster City, CA USA